Transmission mechanism.



CHAQUETTEE TRANSMISSION MECHANISM.

APPLICATION EILED SEPT-2}, I916. RENEWED FEB. 21. 1918,

Patented May 7,1918.

2 SHEETSSHEET I.

TED stra'rns PATENT OFFICE.

EEHRAIEM CHAQUET'IE, 01? SADDLE RIVER, NEW JERSEY, ASSIGINOR F ONE-HALF TO JOHN RATZEB, OF SADDLE RIVER, NEW' JERSEY.

TRANSMISSION MECHANISM.

Application filed September 21, 1916, Serial No. 121,431.

To all whom it may concern Be it known that I, Err-mama: Gnaoon'r'rn, citizen of the United States, residing at Saddle RlYQ1',lI1 the county ofBergen and State of New Jersey, have invented certain new and useful Improvements in Transmission Mechanism; of which the following is a specification, reference being had therein to the accompanying drawing.

This invention relates to certain improvements in motor trucks and more particularly to that tyne (f trucks wherein power is transmitted to both the front and rear axles.

In my prior Patent, No. 1186648, dated June 13, 19M), 1 have illustrated and det scribed a truck of this character, which has use,

proven highly efficient and satisfactory in and it is one of the primar objects of the present invention to still further improve upon the construction of the said patent.

In my prior patent, l have illustrated and described direct and positive driving connection for the front and rear axles of the vehicle, etc. and in that embodiment of the invention herein illustrated this connection preferably includes a worm gear drive, the said connection having associated means whereby the speed of the truck may be varied at will and whereby the movement of the truck may be reversed.

It is contemplated by the present invention to provide in operative association with a driving mechanism of the general character illustrated and described in the said patent, means whereby the movement of the truck may be reversed, and means whereby the speed of the truck in opposite directions may be varied at will.

Other improvements and novel. details in the construction and arrangement of the various parts will be appreciated from the description to follow, whichv for a clear understanding of the invention is to be considered in connection with the accompanying drawings. forming a part hereof, wherein is disclosed a convenient and satisfactory embodiment of the invention.

In the drawings:

l1 igure 1 is a side elevation ofa power driven truck with my improvements applied thereto, parts being illustrated in section.

Fig. 2 is a top plan view of the gear meeln anisni enlarged.

With more particular reference to the Specification of Letters Patent.

Patented May '7, 1:115.

Renewed February 21, 1918.

drawings, wherein like reference numerals refer to corresponding parts throughout the several views, 1 is a framework of a truck, 2 a front axle. and 3 a rear axle, on which are mounted. for rotatablemovement front and rear wheels at and 5 respectively. The front axle is mounted for suitable swinging movement about a center axis in any desired manner, a convenient means being illustrated and described in my priorpatent heretofore referred to, and not necessary to describe in detail herein. A suitable motor or engine 6 is mounted adjacent the front end of the truck in any desired manner, preferably adjacent one end of the front axle and overlying the same. The said motor has a. ro tatable drive shaft 7 having a flexible connection 9 with a downwardly inclined sec tion'S, which latter has a lengthwise adj astable and flexible connectionlO-ll with a horizontally extending rearward projection 13 forming a rotatable supporting shaft for a beveled gear 15 arranged within a housing or casing 14: extending longitudinally of the truck, and in substantial horizontal alinement with theshaft 13 is a gear shaft 16 suitably supported at one end within an extension 17 of the casing -14: and having at i pposite end beveled gear 18. Extend ng transversely, of the casing 14 and between the shafts 1S and i6 is a suitable reversing gear mechanism including a slidable and rotatable shaft 19 having mounted thereon for slidable and rotatable movement therewith bevel gears and 21. In the normal position of the parts the gears 20 and 21 will be out of mesh with the gears 15 and 18 previously referred to, suitable shifting mechanism including a lever 22 being provided for adjusting the shaft 19 whereby to bring one or the other of the gears 20 and 21 into operative engagementwith the gears 15 and 1.8. The lever 22 is pivoted intermediate its ends at and connected at its rear end in any desired manner with the shaft 19 as illustrated at 24. 2.5 is a suitable shafthaving bearings 26 and 27 in the casing 14 l? and having mounted thereon a sleeve adapted to slide along the shaft and to rotate therewith. Mounted upon the sleeve is a relatively small gear wheel 29 and a relatively large gear wheel 30, a suitable collar 31 being connected with the sleeve adapted to be engaged by a shifting lever or the like of any desired construction. The

Serial No. 218,605.

shaft16 has fixed thereon a relatively large gear wheel 31' and a relatively small gear wheel 32, it being appreciated from the illustration that the. speed ofthe sleeve 28 and connected shaft 25 will vary depending upon whether the gears 29 and 31 are in mesh, or the gears 30 and 32 are in mesh.

The front and rear axles of the vehicle are,.adapted to be driven through the medium of mechanism to be now describedhaving connection with the rotatable shaft 25.

Mounted within the casing 17 are suitable gear wheels 33, 34 and 35, the gear 'wheel 33 being fixed upon an extension of the shaft 25, the gear wheel 34 being fixed upon a rear axle transmission shaft 36, and the gear wheel 35 being fixed upon a front axle. transmission shaft 37. As in .my previous patent,

the transmission shafts 36 and 37 comprise a plurality of flexibly connected sections and are lengthwise adjustable The rear axle transmission shaft has upon the rear end section thereof a worm 38 adapted to mesh with a" wormgear 39 fixed upon the rear axle :5 to one side ofthe center of the latter.

The front end sectionof thefront axle trans mission shaft 37qhas a suitable worm f0 adapted to engage aworm gear ll fixed directly upon the front axle transmission shaft 2.

It will be observed that the front and rear axle transmission shafts together with the gear shafts 16 and 25 are in substantially the same horizontal plane, and the direct worm The operation will be readil understood by those skilled in the art. he motor 6 having been started in any desired manner the drive shaft 7 will be rotated when according to the desired movement i. 6., forward or backward, one or the other of the gear wheels 21 or 23 will be brought into mesh with the gear wheels 15 and 18. It ha been found desirable to provide for a, variable speed of the truck in opposite directions, and a change in speed regardless of the direction of movement of the truck may be accomplished by bringing the gear Wheels 31 and 29 into mesh, or the gear wheels 30 and 32 into mesh. The gear wheels 33, 3a and 35 being of the same size, the transmission' shafts 36 and 37 will impart movement to the frontand rear axles at the same speed and in the same direction accordin to the positioning of the reverse and changed gear mechanism previously described.

the front axle,

gears, a motor, a change speed gear mechhorizontal' alinement therewith, said gont' What I claim is:

1. In a motor truck, the combination of a front axle, a rear axle, a front axle transmission shaft having a gear connection with a rear axle transmission shaft having a gear connection with the rear axle, a gear upon each transmission shaft, an in- 'termediate drive gear interposed between and in mesh with said transmission shaft anlsm operatively connected with the inter mediate drive gear, and a reversing gear mechanism interposed between the change speed gear mechanism and the motor.

v 2; Ian, motor vehicle, the combination of front and rear axles, a motor adjacent to one end of the front axle, a drive shaft extend ing rearwardly from the motor, transmission shafts extending in opposite directions and in substantially the same horizontal plane, a variable speed connection between the drive shaft and said transmission shafts, the transmission shafts having a worm at the outer endsthereof, a gear fixed to each axle for direct engagement with said worm, the front axle transmission shaft being arranged substantially midway between the sides of the vehicle, and the wormengaging gear on the front axle being arranged midway of its ends, and reversing mechanism operatively associated with said variable speed gear mechanism whereby the movement of the vehicle may be reversed.

' 3. In a motor driven vehicle, the combination of front andrrear axles, the front axle having a worm ear fixed directly thereto substantially mi way of the ends thereof, and the rear axle having. a worm gear fixed directly thereto to one side of the center thereof, means for supporting the front axle for swinging movement about a center in substantial vertical alinement with its worm gear, a motor supported at a point overlying the-front axle to one side of the center thereof, an engine shaft projecting rearwardly from the motor, a rear axle transmission shaft having a, worm to engage the Worm gear to said rear axle, a front axle transmis sion shaft arranged to one side of the rear axle transmission shaft, and in substantial axle transmission shaft having a worm 'engage the worm gear of the front axle,,and a reversible and variable speed ,gearconnection between the engine shaft and said trans: 12o mission shafts. I i

4:. In a motor vehicle, the combination of front and rear axles, a motor adj acentto and to one side of the center ofthe front axle, a

drive shaft extending rearwardly fron'i'the motor, transmission shafts extending" "-111 opposite directions and in substantially the same horizontal plane, a variablespeed gear connection between the drive shaft and said transmission shafts, the transmission shafts having a worm at the outer ends thereof, and a gear fixed to each axle for direct engagement with said worms, the gear on the front axle being substantially midway of the ends thereof to permit swinging movement of said axle.

5. In a motor truck, the combination of front and rear axles,,each having a worm engaging gear thereon, a motor arranged adjacent the front axle, a drive shaft' projecting rearwardly from the motor, oppositely extending transmission shafts, the front aXle transmission shaft having a worm to engage the gear of the front axle, and the rear axle transmission shaft having a Worm to engage the gear on said axle, the engine shaft and said trans-mission shafts all being arranged in substantially the same horizontal plane, and a gear connection between the engine shaft and said transmission shafts, said gear connection being constructed and arranged whereby the speed of the axles may be varied and reversed.

6. In a motor truck, the combination of a frame or body part, front and rear axles, a motor arranged adj aeent one side of the body part at the front end thereof, and a variable speed drive connection between said motor and front and rear transmission shaft, sald connection permitting the front axle to swing about a central pivot.

'7. In a motor truck, the combination of a frame or body part, front and rear axles, a motor arranged adjacent one side of the body art at the front end thereof, a worm gear rive means for the front and rear axle, said drive means permitting the front axle to swing about the central pivotal support, 

